Yoshiaki Tamura

Nippon Steel & Sumikin Pipe Co., Ltd. engages in the manufacture of steel pipes for construction and automotive use. It operates through the Steel Pipe Business and Real Estate Leasing Business segments. The Steel Pipe Business segment manufactures and sells plumbing tubes, welded steel pipes, line steel pipes, and structural steel pipes. The Real Estate Leasing Business segment manages the lease of office spaces. The company was founded on September 12, 1911 and is headquartered in Tokyo, Japan.

Nippon Steel Pipe Co., Ltd. manufactures steel pipes and tubes. The company was founded in February 1933 and is headquartered in Tokyo, Japan.